Home / 8,678.25-13,019.58-2,522.25

Finding the Fourth Proportional to 8,678.25, 13,019.58 and 2,522.25

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Solution

The fourth proportional to 8,678.25, 13,019.58 and 2,522.25 is: 3,784.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.25 : 13,019.58 = 2,522.25 : x
  2. Step 2: Convert to fraction form
    8,678.25/13,019.58 = 2,522.25/x
  3. Step 3: Cross multiply
    8,678.25x = 13,019.58 × 2,522.25
  4. Step 4: Simplify right side
    8,678.25x = 32,838,635.66
  5. Step 5: Solve for x
    x = 32,838,635.66/8,678.25
  6. Step 6: Final answer
    x = 3,784.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.